Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:29:53 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.77255933e+07 0.00000000e+00 3.44e-12 5.00e-01 2.95e+02 0s 1 7.62666928e+06 1.55145045e+06 8.78e-07 4.71e-05 4.60e+01 0s 2 5.71684112e+06 4.53870506e+06 1.27e-07 2.88e-06 8.93e+00 1s 3 5.25457712e+06 5.02663333e+06 2.83e-08 3.48e-07 1.73e+00 1s 4 5.12024559e+06 5.08572586e+06 2.50e-09 7.88e-08 2.62e-01 1s 5 5.10562059e+06 5.10405220e+06 2.35e-10 3.14e-11 1.19e-02 1s 6 5.10422552e+06 5.10409544e+06 1.86e-11 5.10e-12 9.85e-04 1s 7 5.10413634e+06 5.10410551e+06 4.25e-12 4.96e-12 2.34e-04 2s 8 5.10412655e+06 5.10411048e+06 2.64e-12 3.14e-12 1.22e-04 2s 9 5.10411258e+06 5.10411096e+06 6.25e-13 8.86e-12 1.23e-05 2s Barrier solved model in 9 iterations and 1.96 seconds Optimal objective 5.10411258e+06